Gasket



'Aug. 1o 1926.

D. F. HARBAUGH El' AL y GASKET Filed April 16, 1925 Patented Aug. 10, 1926.

UHTED STATES 1,595,195 BATENT QFFIQE.

DELL F. I-IARBAUGH AND CHARLES O. MOORE, OF CHICAGO, ILLINOIS, ASSIGNORS TO ATLANTIC INDIA RUBBER WORKS, OF CHICAGO, ILLINOIS.

GASKET.

Application led April 16, 1925. Serial No. 23,458.

Our invent-ion relates to improvements in gaskets, and more particularly to compound gaskets having superposed spaced portions, which are employed where it is desirable to procure as perfect a seal as possible.

It is well known that gaskets of the tubular form. when employed as the sealingY members in containers such as are used in the shipping of oils, paint and other inflammable products, are inetlicient for the reason that when the container is closed the air in the tubular gasket is only compressed ant is confined therein. lf the closing operation of the container is not suciently powerful to explode the gasket at the time of closing, thereby releasing the confined air at once, then the confined air escapes by seepage, by explosion, through change of temperature, orV by being released due to the natural solvent action of one or more of the ingredients in the container. If the air has not been released from the tubular gasket at the time of closing the container, then as soon as its releasement is edected the cover of the container will be loose and the desired seal of the container will be broken.

The general object and purpose of our invention is to provide a gasket which will release the confined air from within the gasket during the process of closing the container, especially such container as is used in the shipping of inammable products.

A particular object of our invention is to provide a gasket of the trindle variety, which when pressed in position and subjected to compression will, during the compressing operation, expel the contained air that is otherwise compressed in the usualv gasket of tubular form. K

A further object of our invention is the production of a highly efficientgasket that is of substantially even thickness throughout and will eliminate the necessity ofany over lapping and thickened portion and any additional connecting member at the connected ends of the gasket, as is usual in gaskets formed from'tubular material.

A still further object of our invention is the provision of a highly eliic-ient gasket for the sealing of oils, paints and other inflammable products in their containers.

Other objects will appear hereinafter.

rlChe invention consists in the combinations and arrangements of parts hereinafter den scribed and claimed.

The invention will be best understood by reference to the accompanying drawing forming a part of this specication, and in which,

Figs. l and 2 are vertical sectional views of two types of containers, showing our invention mounted in position thereon;

F ig. 3 is a view of a strip of material from which our gasket is formed 5,

Fig. l shows the strip folded over along its longitudinal center line;

Fig. 5 is a view of the complete gasket; and

Fig. 6 is a fragmentary perspective view illustrating the connection of the inclined ends of the gasket. f

The main purpose of the invention is to provide a gasket which will release the confined air from the Gasket during the process b b i Vof compressing the gasket, that is, during the closing of the container; and for the purpose of the presentl invention it appears that the trindle form of lgasket is the. preferable form, in that there is no additional means or member required, in order to shape it into symmetrical form and to connect the ends of the material from which the .Casket is shaped. The inventors have also round that tubular vgaskets when properly punctured will perform the releasement of contained air by the compression of the gasket during the process of closing the containers wherewith the gaskets are used, but such tubular gaskets usually have their ends connected and form a resultant hump at the point of union, which is highly objectionable because leaking of the contents of the container often occurs therefrom at this point of union, whether the contained air in the gasket has been eifectually expelled or not.

The construction illustrated consists of a strip or band of somewhat pliable material, as rubber, or other suitable material, which has its ends il cut at a slant, as indicated in Fig. 3: This strip or band is folded or doubled over along its longitudinal center line l2, as indicated in Fig. 4, thus forming a substantially trough shaped member or trindle member, that is, will form a gasket which is trough shaped in cross-section, and the bevelled ends thereby each forming an outwardly extending part 1l and an inwardly extending part il. These ends are then brought together into a butt connection, and thereby the part 11 of one end Will engage the part 11 of the other end in butt relation, While the two parts 11 are overlapped which are then fastened together by means of adhesive. material, such` as rubber cement or the like,

Thls forms a gasket of compound or superoosed oarts which are closed alone one ed'e..y 1 i c er 7 Vthat with this form of gasket the air can readily escape therefrom when the gasket isv compressed,

during the closing. of the container; and furthermore that the ends of the strip or band forming the gasket, are securely joined in butt Connection Without thickening or forming a hump at suoli connection and Without usingl any additional reinforcing member to fasten suchcnds together.

While We have illustrated and described the preferredrform. ofconstruction for carrying our invention into effect, this is capable of Variation and modification Without departingV from the spirit of the invention,

e, thereforeg-do notwishk to y-belimited to the precise details of construction set forth, but desire to avail ourselves of such Variations `and modifications, -asfscomeiwitliin the scope koi the appended claims.

Having described Your invention, what ire-claim new and desire to secure by Letters Patent is: Y

1p1/nartielef-of` manufacture including a band of pliable material having its end slantingvon a straight line and'sy-nnnetrically, said band being folded over on its longitudinalcenter line, andthe ends being fastened together in butt relation to form a gesl; t. so that the beveled joining ends overlap Without torn ine" a thickened connection, said gasket being Ysubstantially trough-shaped' in crossiseetion, and being A pen along its outer edge.

consisting of a strip of rubberliaving its ends symmetrically slanted, 'saidstrip being foidedanddoubled over along itsv longitudi-v nal center line" andthe slanted endsrbem'zg.` brought together in buttconnection,. theoutward parts of said slanted ends being oyerlapp d and fastened-together Witlr ad hesite yniaterial, saidgasket beingTv substantially trough haped in cross-.section and open along. its outer edge.

1n testimony', whereof We liaversigned'our nemesi-o this specilicat-ion-- BELL HARBAUGH. CHARLES-O. MQRE.

article of manufacture, a gasket: 

